Skate board



FIG. 1 is a top plan view of a skate board showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a skate board, as shown and described. 